From 8a8da88548d654f37999f736cd68faf742afa029 Mon Sep 17 00:00:00 2001
From: Sanaei <ho3ein.sanaei@gmail.com>
Date: Wed, 12 Aug 2026 16:11:47 +0200
Subject: [PATCH] fix(frontend): isolate swagger deps from main vendor chunk

Keep swagger-ui-react and its transitive dependencies in the lazy swagger chunk so the initial panel bundle stays smaller. This avoids eager loading the OpenAPI UI on first paint while keeping the API docs route unchanged.
---
 frontend/vite.config.js | 52 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 16fe51a12..304dc6bc4 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -151,6 +151,57 @@ function makeBackendProxy(target) {
   };
 }
 
+// Deps only reachable through swagger-ui-react (verified via `npm ls`). The
+// catch-all `vendor` chunk would otherwise eager-load them on first paint,
+// although the api-docs page is the only lazy route importing them.
+const SWAGGER_ONLY_DEPS = [
+  '@babel/runtime-corejs3',
+  '@scarf/scarf',
+  '@swagger-api/apidom-',
+  '@swaggerexpert/',
+  'base64-js',
+  'buffer',
+  'classnames',
+  'css.escape',
+  'deep-extend',
+  'dompurify',
+  'fast-json-patch',
+  'highlight.js',
+  'highlightjs-vue',
+  'ieee754',
+  'immutable',
+  'js-file-download',
+  'js-yaml',
+  'lodash',
+  'lowlight',
+  'neotraverse',
+  'node-abort-controller',
+  'openapi-path-templating',
+  'openapi-server-url-templating',
+  'prismjs',
+  'prop-types',
+  'ramda',
+  'ramda-adjunct',
+  'randexp',
+  'react-copy-to-clipboard',
+  'react-debounce-input',
+  'react-immutable-proptypes',
+  'react-immutable-pure-component',
+  'react-inspector',
+  'react-redux',
+  'react-syntax-highlighter',
+  'redux',
+  'redux-immutable',
+  'remarkable',
+  'reselect',
+  'serialize-error',
+  'sha.js',
+  'url-parse',
+  'xml',
+  'xml-but-prettier',
+  'zenscroll',
+];
+
 export default defineConfig({
   plugins: [react(), injectBasePathPlugin(), rocketLoaderOptOutPlugin()],
   resolve: {
@@ -222,6 +273,7 @@ export default defineConfig({
             id.includes('/node_modules/swagger-ui-react/')
             || id.includes('/node_modules/swagger-ui/')
             || id.includes('/node_modules/swagger-client/')
+            || SWAGGER_ONLY_DEPS.some((dep) => id.includes(`/node_modules/${dep}/`))
           ) return 'vendor-swagger';
           if (id.includes('/node_modules/uplot/')) return 'vendor-uplot';
           if (id.includes('dayjs')) return 'vendor-dayjs';